 /*******************************************************************************
  * Copyright (c) 2004, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.preferences;

 /**
  * @since 3.1
  */
 public abstract class AbstractPropertyListener implements IPropertyMapListener {

     /* (non-Javadoc)
      * @see org.eclipse.ui.internal.preferences.IPropertyMapListener#propertyChanged(java.lang.String[])
      */
     public void propertyChanged(String [] propertyIds) {
         update();
     }

     /* (non-Javadoc)
      * @see org.eclipse.ui.internal.preferences.IPropertyMapListener#listenerAttached()
      */
     public void listenerAttached() {
         update();
     }

     protected abstract void update();
 }

